package cn.wolfcode.shop.cloud.web.controller;

import cn.wolfcode.shop.cloud.common.Result;
import cn.wolfcode.shop.cloud.domain.OrderInfo;
import cn.wolfcode.shop.cloud.pay.AlipayConfig;
import cn.wolfcode.shop.cloud.service.ISeckillOrderInfoService;
import com.alipay.api.AbstractAlipayClient;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;

@RestController
public class PayController {
    @Autowired
    private AlipayClient alipayClient;
    @Autowired
    private AlipayConfig alipayConfig;
    @Autowired
    private ISeckillOrderInfoService seckillOrderInfoService;

    @RequestMapping("payOrder")
    public void payOrder(String orderNo, HttpServletResponse response) throws AlipayApiException, IOException {
        response.setContentType("text/html;charset=utf-8");
        OrderInfo orderInfo = seckillOrderInfoService.queryByorderNo(orderNo);
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(alipayConfig.getReturn_url());
        alipayRequest.setNotifyUrl(alipayConfig.getNotify_url());

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = orderNo;
        //付款金额，必填
        String total_amount = orderInfo.getSeckillPrice()+"";
        //订单名称，必填
        String subject = orderInfo.getGoodName();
        //商品描述，可空
        String body = orderInfo.getGoodName();

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        PrintWriter out = response.getWriter();
        //输出
        out.println(result);
    }

    @RequestMapping("/notify_url")
    public void notify_url(@RequestParam Map<String,String> params,HttpServletResponse response) throws
            AlipayApiException, IOException {
        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(), alipayConfig.getSign_type()); //调用SDK验证签名
        PrintWriter out = response.getWriter();
        if (signVerified) {//验证成功
            //商户订单号
            String out_trade_no = params.get("out_trade_no");
            seckillOrderInfoService.changPayStatus(out_trade_no, OrderInfo.STATUS_ACCOUNT_PAID);
            out.println("success");

        } else {//验证失败
            out.println("fail");
        }
    }

    @RequestMapping("return_url")
    public void return_url(@RequestParam Map<String,String> params,HttpServletResponse response) throws
            AlipayApiException, IOException {
        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(), alipayConfig.getSign_type()); //调用SDK验证签名
        String out_trade_no = params.get("out_trade_no");

        if(signVerified) {
            //商户订单号
            response.sendRedirect("/order_detail.html?orderNo="+out_trade_no);
        }else {
            response.sendRedirect("/50x.html");
        }
    }

}